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    Results 201-250 of 292.
    SERVICE FIRST SEN00233

    SERVICE FIRST

    SEN00233

    FLAME SENSOR, TRANE FURNACE, REPLACEMENT PART
    $69.00 Buy Surplus As Low As $42.00
    $42.00
    SERVICE FIRST SEN00277

    SERVICE FIRST

    SEN00277

    HUMIDITY SENSOR, 32 F TO 125 F OPERATING TEMPERATURE
    ✓ IN STOCK!
    $275.00 Buy Surplus As Low As $210.00
    $210.00
    SERVICE FIRST SEN00408

    SERVICE FIRST

    SEN00408

    DISCONTINUED BY MANUFACTURER, THERMOSTAT SENSOR, ZONE, STAT, LEVEL 2,NON HEAT, H/A/O/C) FAN ON/AUTO TEMP ADJUST
    Buy Surplus As Low As $37.00
    $37.00
    SERVICE FIRST SEN-0073

    SERVICE FIRST

    SEN-0073

    SENSOR FLAME
    Buy Surplus As Low As $33.00
    $33.00
    SERVICE FIRST SEN01066

    SERVICE FIRST

    SEN01066

    AMBIENT SENSOR
    $91.00 Buy Surplus As Low As $55.00
    $55.00
    Repair Yours $200.00
    SERVICE FIRST SEN01279

    SERVICE FIRST

    SEN01279

    PRESSURE SENSOR OUTDOOR STATIC
    $318.00 Buy Surplus As Low As $191.00
    $191.00
    Repair Yours $200.00
    SERVICE FIRST SEN01289

    SERVICE FIRST

    SEN01289

    DISCONTINUED BY MANUFACTURER, SERVICE FIRST, SEN01289, SENSOR PROGRAMMABLE ZONE
    ✓ IN STOCK!
    Buy Surplus As Low As $259.74
    $259.74
    Repair Yours $229.00
    SERVICE FIRST SEN01655

    SERVICE FIRST

    SEN01655

    FLOW SENSOR, THERMAL DISPERSION, PROGRAMMABLE, SP=35 CM/S, 5 PIN CONNECTOR, 24 V AC/DC, IP67
    $562.00 Buy Surplus As Low As $338.00
    $338.00
    SERVICE FIRST SEN01960

    SERVICE FIRST

    SEN01960

    SENSOR, HI-TEMPERATURE, 24 V DC, 20 MA MAXIMUM, OVERMOLDED, FOR HVAC AND REFRIGERATION APPLICATIONS, 19 INCH WIRE LEAD, 2 INCH SENSOR, 4 STRAIGHT BLADE PLUG IN, 90 DEGREE ANGLE PLUG
    ✓ IN STOCK!
    $255.00 Buy Surplus As Low As $195.00
    $195.00
    SERVICE FIRST SEN02039

    SERVICE FIRST

    SEN02039

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, FAST RESPONSE, 20 X15 X 5 CM
    ✓ IN STOCK!
    Buy Surplus As Low As $154.00
    $154.00
    SERVICE FIRST SEN02133

    SERVICE FIRST

    SEN02133

    SENSOR, THERMOCOUPLE SENSOR, TEMPERATURE SENSOR
    ✓ IN STOCK!
    $192.00 Buy Surplus As Low As $147.00
    $147.00
    SERVICE FIRST SEN02662

    SERVICE FIRST

    SEN02662

    S9 LP FLAME SENSOR
    ✓ IN STOCK!
    $11.70 Buy Surplus As Low As $7.72
    $7.72
    SERVICE FIRST SENO1561

    SERVICE FIRST

    SENO1561

    TEMPERATURE SENSOR, HUMIDITY, 18-36 VDC, 4-20 MA, -20 TO 140 DEGREE F, POLYMER CAPACITIVE, WALL MOUNT, WHITE
    ✓ IN STOCK!
    $260.00 Buy Surplus As Low As $172.00
    $172.00
    Repair Yours $200.00
    SERVICE FIRST SHE06354

    SERVICE FIRST

    SHE06354

    DISCONTINUED BY MANUFACTURER, V-BELT IDLER PULLEY, 3/8 INCH BORE
    ✓ IN STOCK!
    Buy Surplus As Low As $66.00
    $66.00
    SERVICE FIRST SHF01504

    SERVICE FIRST

    SHF01504

    SHAFT, FAN, 1X22.295
    $173.00 Buy Surplus As Low As $104.00
    $104.00
    SERVICE FIRST SLG00056

    SERVICE FIRST

    SLG00056

    SERVICE FIRST, SLG00056, RAIN SHIELD BY EMERSON, 56 INCH FRAME, 1/2 INCH BLACK, SLINGER; 50 INCH BORE
    ✓ IN STOCK!
    $9.90 Buy Surplus As Low As $6.53
    $6.53
    SERVICE FIRST SPG00249

    SERVICE FIRST

    SPG00249

    SPRING
    ✓ IN STOCK!
    $11.70 Buy Surplus As Low As $7.56
    $7.56
    SERVICE FIRST SWT-00156

    SERVICE FIRST

    SWT-00156

    SWITCH FAN CONTROL 3SPEED 10/15A 125/250V
    Buy Surplus As Low As $96.00
    $96.00
    SERVICE FIRST SWT00396

    SERVICE FIRST

    SWT00396

    DISCONTINUED BY MANUFACTURER, HIGH PRESSURE SWITCH, 125 VA AT 120/240 VAC, OPEN AT 405 PSIG, CLOSED AT 300 PSIG, -65 - 275 F TEMP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $82.08
    $82.08
    SERVICE FIRST SWT00644

    SERVICE FIRST

    SWT00644

    PRESSURE SWITCH AIR .40IN WC
    $119.00 Buy Surplus As Low As $60.00
    $60.00
    SERVICE FIRST SWT00842

    SERVICE FIRST

    SWT00842

    TEMPERATURE CONTROL SWITCH
    Buy Surplus As Low As $63.00
    $63.00
    SERVICE FIRST SWT00977

    SERVICE FIRST

    SWT00977

    PRESSURE SWITCH
    $99.00 Buy Surplus As Low As $49.00
    $49.00
    SERVICE FIRST SWT00983

    SERVICE FIRST

    SWT00983

    AIR FLOW SWITCH SPDT 10AMP 250V
    $13.00 Buy Surplus As Low As $7.38
    $7.38
    SERVICE FIRST SWT00986

    SERVICE FIRST

    SWT00986

    LIMIT SWITCH 10AMP 250V SPDT
    $17.00 Buy Surplus As Low As $11.00
    $11.00
    SERVICE FIRST SWT01190

    SERVICE FIRST

    SWT01190

    SWITCH, 120/240 VAC OPEN, 155 PSIG, CLOSE-275, PSIG,-65 TO 275 DEG F
    $48.00 Buy Surplus As Low As $30.00
    $30.00
    SERVICE FIRST SWT01259

    SERVICE FIRST

    SWT01259

    FURNACE THERMAL LIMIT SWITCH
    $34.00 Buy Surplus As Low As $22.00
    $22.00
    SERVICE FIRST SWT01611

    SERVICE FIRST

    SWT01611

    LIMIT SWITCH THERMAL, OPEN 170 F / CLOSE 140 F, 120 V
    ✓ IN STOCK!
    $33.30 Buy Surplus As Low As $22.19
    $22.19
    SERVICE FIRST SWT01696

    SERVICE FIRST

    SWT01696

    LIMIT SWITCH FURNACE DISC
    Buy Surplus As Low As $39.00
    $39.00
    SERVICE FIRST SWT01714

    SERVICE FIRST

    SWT01714

    DISCONTINUED BY MANUFACTURER, DOOR FAN SWITCH, 21 AMPS, 125/250 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $17.10
    $17.10
    SERVICE FIRST SWT01718

    SERVICE FIRST

    SWT01718

    DISCONTINUED BY MANUFACTURER, LOW PRESSURE SWITCH, 0-7PSI
    Buy Surplus As Low As $33.00
    $33.00
    SERVICE FIRST SWT01741

    SERVICE FIRST

    SWT01741

    PRESSURE SWITCH DUAL SPNO
    Buy Surplus As Low As $33.00
    $33.00
    SERVICE FIRST SWT01839

    SERVICE FIRST

    SWT01839

    SWITCH KEYLOCK 2PDT 2POSITION 7/3AMP 125/250VAC
    $37.00 Buy Surplus As Low As $23.00
    $23.00
    SERVICE FIRST SWT02173

    SERVICE FIRST

    SWT02173

    ROLLOUT SWITCH, 3 INCH, 310 DEGREES F MAX TEMPERATURE
    ✓ IN STOCK!
    $30.60 Buy Surplus As Low As $23.26
    $23.26
    SERVICE FIRST SWT02221

    SERVICE FIRST

    SWT02221

    PRESSURE SWITCH, 6.0 PDID OPEN, 1.1-2.3 PSID CLOS ON FALL, 120/240 VAC, W/36 INCH CAPPAILARY
    ✓ IN STOCK!
    $78.30 Buy Surplus As Low As $52.20
    $52.20
    SERVICE FIRST SWT02261

    SERVICE FIRST

    SWT02261

    PRESSURE SWITCH
    Buy Surplus As Low As $90.00
    $90.00
    Repair Yours $200.00
    SERVICE FIRST SWT02262

    SERVICE FIRST

    SWT02262

    DISCONTINUED BY MANUFACTURER, FURNACE AIR PRESSURE SWITCH
    Buy Surplus As Low As $24.00
    $24.00
    Repair Yours $200.00
    SERVICE FIRST SWT02266

    SERVICE FIRST

    SWT02266

    PRESSURE SWITCH, AIR LOW PRESSURE
    Buy Surplus As Low As $33.00
    $33.00
    SERVICE FIRST SWT02293

    SERVICE FIRST

    SWT02293

    PRESSURE SWITCH, 1/10 HORSEPOWER, SINGLE POLE
    $45.00 Buy Surplus As Low As $28.00
    $28.00
    SERVICE FIRST SWT02521

    SERVICE FIRST

    SWT02521

    PRESSURE SWITCH
    $75.00 Buy Surplus As Low As $45.00
    $45.00
    SERVICE FIRST SWT02523

    SERVICE FIRST

    SWT02523

    PRESSURE SWITCH 1.40IN WC NORMALLY OPEN
    $75.00 Buy Surplus As Low As $45.00
    $45.00
    SERVICE FIRST SWT03221

    SERVICE FIRST

    SWT03221

    PRESSURE SWITCH
    $45.00 Buy Surplus As Low As $23.00
    $23.00
    Repair Yours $200.00
    SERVICE FIRST SWT03251

    SERVICE FIRST

    SWT03251

    DISCONTINUED BY MANUFACTURER, PRESSURE SWITCH, HIGH PRESSURE CUTOUT, HIGH PRESSURE CUTOFF CONTROL, THREE WIRES AT 17 FOOT LENGTH, 0 TO 700 PSIG
    Buy Surplus As Low As $79.00
    $79.00
    SERVICE FIRST SWT0906

    SERVICE FIRST

    SWT0906

    PRESSURE SWITCH OPEN .57WC
    $101.00 Buy Surplus As Low As $51.00
    $51.00
    SERVICE FIRST SWT1731

    SERVICE FIRST

    SWT1731

    DISCONTINUED BY MANUFACTURER, INTERLOCK SWITCH, 2SPDT, 10 AMP, 250 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $44.46
    $44.46
    SERVICE FIRST TDR00354

    SERVICE FIRST

    TDR00354

    DISCONTINUED BY MANUFACTURER, PRESSURE TRANSDUCER, 0-475 PSIA
    Buy Surplus As Low As $122.00
    $122.00
    SERVICE FIRST THT00447

    SERVICE FIRST

    THT00447

    THERMOSTAT T874D 50-80DEG
    $69.00 Buy Surplus As Low As $42.00
    $42.00
    SERVICE FIRST THT00610

    SERVICE FIRST

    THT00610

    THERMOSTAT LIMIT SPST 125V 33/55DEG F OPEN/CLOSE
    $39.00 Buy Surplus As Low As $24.00
    $24.00
    SERVICE FIRST THT00680

    SERVICE FIRST

    THT00680

    THERMOSTAT OPEN:30F/CLOSE:40F AUTO RESET
    $51.00 Buy Surplus As Low As $31.00
    $31.00
    SERVICE FIRST THT-00741

    SERVICE FIRST

    THT-00741

    THERMOSTAT 76F OPEN 80F CLOSE
    $64.00 Buy Surplus As Low As $39.00
    $39.00
    SERVICE FIRST THT02325

    SERVICE FIRST

    THT02325

    THERMOSTAT
    $85.00 Buy Surplus As Low As $51.00
    $51.00
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